"We identified specific pH levels that indicate when corrosion is worsening. For example, when the pH drops below 2.8–3, it means that the corrosion has reached a very severe stage." "It was striking ...
Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. What is rust? – Henry E., age 13, Boston, ...
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